Quiz2 - Name: ________________________________________ CHM...

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Name: _____________________________________________ CHM 115 Quiz #2 1) If a ball is 7 cm in diameter, what is its diameter in micrometers ( μ m)? 2) When measuring density of a metal cube, the mass was measured to be 4.00 g and the volume as 2.0 cm 3 . What is the density of the cube (with the correct number of sig. figs)? 3) The atom contains these subatomic particles, _________________ and _________________, which are charged, and these particles which are not charged:____________________. 4) Protons Neutrons Atom A 17 18 Atom B 16 19 Atom C 17 19 Atom D 18 22 Which atom is the isotope of atom A?______________ Which atom has the same mass number as atom A?_____________ 5) When cathode rays are deflected by electrically charged plates, are the cathode rays attracted or repelled from the negatively charged plate?
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Unformatted text preview: Name: ________________________________________ CHM 115 Quiz #2 1) If a ball is 7 mm in diameter, what is its diameter in kilometers (km)? 2) When measuring density of a metal cube, the mass was measured to be 2.0 g and the volume as 4.00 cm 3 . What is the density of the cube (with the correct number of sig. figs)? 3) Of alpha, beta, and gamma radiation, which is not deflected by electrically charged plates?_________________ 4) The atom contains subatomic particles, called _______________, which circle the nucleus. The atom also contains _________________ and _________________, which make up the nucleus. 5) Protons Neutrons Atom A 18 18 Atom B 17 19 Atom C 16 19 Atom D 18 22 Which atom is the isotope of atom A?______________ Which atom has the same mass number as atom A?_____________...
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Quiz2 - Name: ________________________________________ CHM...

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